James F. Witzenman, LEED AP

Senior Vice President, Havel

Value Delivered

At Havel, Jim is responsible for overall business management, including strategic planning, business development, sales, estimating, engineering, financial planning, and construction and service operations. He also anticipates future needs and finds effective ways to meet them, identifies new technology directions, and establishes and maintains strong, positive alliances with high-technology and equipment manufacturers. And always, his goal is to provide the division's clients with the innovative design/build and engineering skills, disciplined and attentive project management, and responsive service they need to meet today's complex facilities and business challenges.


Jim has extensive experience in the mechanical, electrical, and control installation and service industry. After a stint as mechanical/electrical systems designer with a local architecture and engineering firm, he joined the mechanical contracting and service industry. Since then, he has developed his expertise in estimating, sales and marketing, engineering, project management, and division management of plumbing, heating, ventilation, and air conditioning (PHVAC), building automation, and electrical systems installation and service.

Jim earned an associate degree in architectural technology and a bachelor's degree in construction technology from Purdue University. He has also attended Comfort Systems USA Leadership Institute, the Carrier Business Management School, the Dale Carnegie Business Management Training Program, the OSHA (Occupational Safety and Health Administration) 10-hour competent construction training course, and the IPFW (Indiana University-Purdue University Fort Wayne) Leadership Development Training Series.

An associate member of the American Society of Heating, Refrigerating and Air Conditioning Engineers (ASHRAE), he is licensed as a plumbing contractor by the Indiana State Plumbing Commission. He is also a LEED-accredited professional and a member of the Indiana Chapter of the U.S. Green Building Council.

The Personal Side

Married for 40 years, Jim and his wife, Diane, have four children and seven grandchildren. Outside of work, Jim enjoys family, football, baseball, and biking.